refactor: Remove legacy roi_get_option() calls from Inc/ files

- Clean Inc/adsense-delay.php
- Clean Inc/category-badge.php
- Clean Inc/enqueue-scripts.php
- Clean Inc/featured-image.php
- Clean Inc/social-share.php
- Clean sidebar.php - use roi_render_component('table-of-contents')
- Add roi_get_component_setting() helper to functions-addon.php

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

inc/adsense-delay.php

@@ -26,10 +26,10 @@ function roi_delay_adsense_scripts() {
         return;
     }
 
-    // Verificar si el retardo de AdSense está habilitado en las opciones del tema
-    $delay_enabled = roi_get_option('roi_adsense_delay_enabled', '1');
+    // Verificar si el retardo de AdSense está habilitado (Clean Architecture)
+    $is_enabled = roi_get_component_setting('adsense-delay', 'visibility', 'is_enabled', true);
 
-    if ($delay_enabled !== '1') {
+    if (!$is_enabled) {
         return;
     }
 
@@ -106,9 +106,10 @@ function roi_replace_adsense_scripts($html) {
  * después de que adsense-loader.js ha sido enqueued.
  */
 function roi_add_adsense_init_script() {
-    $delay_enabled = roi_get_option('roi_adsense_delay_enabled', '1');
+    // Verificar si el retardo de AdSense está habilitado (Clean Architecture)
+    $is_enabled = roi_get_component_setting('adsense-delay', 'visibility', 'is_enabled', true);
 
-    if ($delay_enabled !== '1' || is_admin()) {
+    if (!$is_enabled || is_admin()) {
         return;
     }